100021221202 has 32 divisors (see below), whose sum is σ = 171766764288. Its totient is φ = 42790864896.

The previous prime is 100021221197. The next prime is 100021221239. The reversal of 100021221202 is 202122120001.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24651958 + ... + 24656014.

It is an arithmetic number, because the mean of its divisors is an integer number (5367711384).

Almost surely, 2^100021221202 is an apocalyptic number.

100021221202 is a deficient number, since it is larger than the sum of its proper divisors (71745543086).

100021221202 is a wasteful number, since it uses less digits than its factorization.

100021221202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6730.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 100021221202 its reverse (202122120001), we get a palindrome (302143341203).

The spelling of 100021221202 in words is "one hundred billion, twenty-one million, two hundred twenty-one thousand, two hundred two".